body {
	margin: 0px;
	background-color: #e2e2e2;
}

.clear {
	clear: both;
}

ul {
	margin: 0px;
	padding: 0px;
}

a {
	text-decoration: none;
}

@media only screen and (min-width:768px) {
	.box {
		width: 1000px;
		height: 2300px;
		background-color: white;
		margin: 30px auto;
	}
	.box .top {
		width: inherit;
		height: 166px;
		padding: 60px 75px 0px 70px;
		box-sizing: border-box;
	}
	.box .top p {
		margin: 0px;
	}
	.box .top .p-word {
		float: left;
	}
	.box .top p:first-child {
		font-size: 30px;
	}
	.box .top p:last-child {
		font-size: 14px;
		color: #7a7a7a;
	}
	.box .top input {
		float: right;
		width: 110px;
		height: 28px;
		color: #a9a9a9;
		border: 1px solid #a9a9a9;
		border-radius: 5px;
		padding: 0px 30px;
		box-sizing: border-box;
	}
	.box .adv {
		width: inherit;
		height: 289px;
	}
	.box .adv img {
		width: 1000px;
		height: 289px;
	}
	.box .nav {
		width: 1000px;
		height: 40px;
		background-image: -webkit-linear-gradient(-90deg, #212121, #0b0b0b);
	}
	.box .nav ul {
		list-style: none;
		margin-left: 50px;
		
	}
	.fa-chevron-down {
		display: none;
	}
	.box .nav ul li {
		float: left;
		font-family: "宋体";
		font-size: 14px;
		line-height: 40px;
		padding: 0px 20px;
	}
	.box .nav ul li a {
		color: white;
	}
	.box .nav ul li:hover {
		background-color: gainsboro;
	}
	.box .nav ul li:hover a {
		color: green;
	}
	.box .bottom {
		margin-top: 30px;
		padding: 0px 70px;
		box-sizing: border-box;
	}
	.box .bottom .left {
		float: left;
	}
	.box .bottom .left input {
		width: 184px;
		height: 28px;
		font-size: 16px;
		padding-left: 30px;
		box-sizing: border-box;
		color: #a9a9a9;
		border: 1px solid #dddddd;
		border-radius: 3px;
	}
	.box .bottom .left .left-me {
		width: 182px;
		height: 117px;
		border: 1px solid #d2d2d2;
		border-top: 2px solid #f46736;
		margin-top: 54px;
		margin-bottom: 40px;
	}
	.box .bottom .left .left-me .me {
		height: 28px;
		border-bottom: 1px solid #d2d2d2;
	}
	.box .bottom .left .left-me p {
		margin: 0px 0px 0px 30px;
		line-height: 28px;
		color: #0078b6;
	}
	.box .bottom .left .video ul {
		list-style: square;
		color: #777777;
	}
	.box .bottom .left .video ul li {
		padding: 5px 0px;
	}
	.box .bottom .left .video ul li:first-child {
		list-style: none;
	}
	.box .bottom .left .video ul li a {
		color: #1982d1;
	}
	.box .bottom .left .video ul .list1 a {
		color: #777777;
	}
	.box .bottom .right {
		float: right;
	}
	.box .bottom .right .item {
		width: 584px;
		height: 196px;
		border-bottom: 1px solid #dddddd;
	}
	.box .bottom .right .item p {
		margin: 0px;
		font-size: 28px;
		margin-top: 47px;
		color: #222222;
	}
	.box .bottom .right .item:last-child {
		border: none;
	}
	.box .bottom .right .item .nor {
		width: 15em;
	}
	.box .copyright {
		width: inherit;
		height: 80px;
		line-height: 80px;
		text-align: center;
		background-color: #f9f9f9;
		border-top: 1px solid #dddddd;
	}
	.box .copyright p {
		margin: 0px;
		color: #555555;
	}
}

@media only screen and (min-width: 100px) and (max-width: 768px) {
	.box {
		width: 500px;
		margin: 30px auto 0px;
		background-color: white;
	}
	.box .top {
		width: inherit;
		height: 150px;
		padding: 20px 0px 0px 40px;
		box-sizing: border-box;
	}
	.box .top p {
		margin: 0px;
		font-size: 14px;
	}
	.box .top p:last-child {
		color: #7a7a7a;
	}
	.box .top input {
		margin-top: 30px;
		width: 280px;
		height: 30px;
		border: 1px solid #dddddd;
		border-radius: 3px;
		color: #a9a9a9;
	}
	.box .adv {
		width: 100%;
		height: 289px;
		
	}
	.box .adv img {
		width: 100%;
		height: 289px;

	}
	.box .nav {
		width: 100%;
		height: 40px;
		background-image: -webkit-linear-gradient(-90deg, #212121, #0b0b0b);
		box-sizing: border-box;
		position: relative;
	}
	.fa-chevron-down {
		float: right;
		line-height: 40px;
		color: gray;
		font-size: 20px;
		margin: 0px 40px;
	}
	.box .nav ul {
		list-style: none;
		background-color: burlywood;
		position: absolute;
		top: 40px;
		text-align: center;
		margin: 0px 1%;
		display: none;
	}
	.box .nav ul li {
		padding: 20px 0px;
		width: 490px;
		font-size: 20px;
		border-bottom: 1px solid #555555;
	}
	.box .nav ul li a {
		color: white;
	}
	.box .nav ul li:hover {
		background-color: #1982d1;
	}
	.box .bottom {
		margin-top: 50px;
	}
	.box .bottom input {
		width: 200px;
		height: 28px;
		padding: 0px 30px;
		color: #a9a9a9;
	}
	.box .left {
		padding: 0px 40px;
		display: none;
	}
	.box .bottom .left-me {
		margin-top: 100px;
		margin-bottom: 50px;
		width: 200px;
		height: 118px;
		border: 1px solid #dddddd;
		border-top: 2px solid #fa993d;
	}
	.box .bottom .left-me .me {
		width: inherit;
		height: 28px;
		line-height: 28px;
		border-bottom: 1px solid #dddddd;
	}
	.box .bottom .left-me .me p {
		margin: 0px 30px;
		color: #1982d1;
	}
	.box .bottom .video ul {
		list-style: square;
		color: #777777;
	}
	.box .bottom .video ul li:first-child {
		list-style: none;
	}
	.box .bottom .video ul li:first-child a {
		color: #666666;
	}
	.box .bottom .right {
		margin-top: 100px;
	
	}
	.box .bottom .right .item {
		width: 100%;
		height: 100px;
		border-bottom: 1px solid #dddddd;
	}
	.box .bottom .right .item:first-child {
		border-top: 1px solid #dddddd;
	}
	.box .bottom .right .item p {
		margin: 20px 40px;
		color: #222222;
		font-size: 20px;
		font-weight: bolder;
	}
	.box .copyright {
		width: 100%;
		height: 80px;
		margin-bottom: 30px;
		text-align: center;
		line-height: 80px;
		color: #555555;
		background-color: #f9f9f9;
	}
	.box .copyright p {
		margin: 0px;
	}
}